Pass Guaranteed Quiz 2026 Marvelous Microsoft DP-420: New Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Test Dumps

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Microsoft DP-420 Exam Syllabus Topics:

SectionObjectives
Optimize and maintain Cosmos DB solutions- Performance optimization
  • 1. Query performance tuning
    • 2. RU consumption optimization
      - Monitoring and troubleshooting
      • 1. Diagnostics and logging
        • 2. Alerts and metrics
          Design and implement data distribution- Partitioning and scaling
          • 1. Throughput (RU/s) planning
            • 2. Logical and physical partitions
              - Replication and consistency
              • 1. Multi-region replication
                • 2. Consistency levels
                  Design and implement data models for Azure Cosmos DB- Model data for NoSQL workloads
                  • 1. Data modeling patterns (embed vs reference)
                    • 2. Partitioning strategies
                      - Design indexing strategies
                      • 1. Query optimization considerations
                        • 2. Indexing policies
                          Integrate Azure Cosmos DB with Azure services- Event-driven architectures
                          • 1. Integration with Azure Functions
                            • 2. Change Feed processing
                              - Data pipelines and analytics
                              • 1. Synapse integration
                                • 2. Data movement patterns

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                                  Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q39-Q44):

                                  NEW QUESTION # 39
                                  Hotspot Question
                                  You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account. The account hosts a container named Container1.
                                  Items are stored in Container1 in the following format.

                                  You need to query name, sizeInGb, and currentStockLevel for items that have a value of currentStockLevel that is greater than 100.
                                  How should you complete the query? To answer, select the appropriate options in the answer area.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:


                                  NEW QUESTION # 40
                                  You plan to create an Azure Cosmos DB for NoSQL container that will contain items in the following format.

                                  You need to define a query that will return the userid values of all the users who purchased an item that has a sku value of 11111. How should you complete the query? To answer, select the appropriate options in the answer area.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:

                                  Explanation:


                                  NEW QUESTION # 41
                                  You maintain a relational database for a book publisher. The database contains the following tables.

                                  The most common query lists the books for a given authorId.
                                  You need to develop a non-relational data model for Azure Cosmos DB Core (SQL) API that will replace the relational database. The solution must minimize latency and read operation costs.
                                  What should you include in the solution?

                                  Answer: C

                                  Explanation:
                                  Store multiple entity types in the same container.


                                  NEW QUESTION # 42
                                  You have three containers in an Azure Cosmos DB Core (SQL) API account as shown in the following table.

                                  You have the following Azure functions:
                                  A function named Fn1 that reads the change feed of cn1
                                  A function named Fn2 that reads the change feed of cn2
                                  A function named Fn3 that reads the change feed of cn3
                                  You perform the following actions:
                                  Delete an item named item1 from cn1.
                                  Update an item named item2 in cn2.
                                  For an item named item3 in cn3, update the item time to live to 3,600 seconds.
                                  For each of the following statements, select Yes if the statement is true. Otherwise, select No.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:

                                  Explanation

                                  Box 1: No
                                  Azure Cosmos DB's change feed is a great choice as a central data store in event sourcing architectures where all data ingestion is modeled as writes (no updates or deletes).
                                  Note: The change feed does not capture deletes. If you delete an item from your container, it is also removed from the change feed. The most common method of handling this is adding a soft marker on the items that are being deleted. You can add a property called "deleted" and set it to "true" at the time of deletion. This document update will show up in the change feed. You can set a TTL on this item so that it can be automatically deleted later.
                                  Box 2: No
                                  The _etag format is internal and you should not take dependency on it, because it can change anytime.
                                  Box 3: Yes
                                  Change feed support in Azure Cosmos DB works by listening to an Azure Cosmos container for any changes.
                                  Reference:
                                  https://docs.microsoft.com/en-us/azure/cosmos-db/sql/change-feed-design-patterns
                                  https://docs.microsoft.com/en-us/azure/cosmos-db/change-feed


                                  NEW QUESTION # 43
                                  You have the Azure Cosmos DB for NoSQL containers shown in the following table.

                                  You have the items shown in the following table.

                                  When will each item expire? To answer, select the appropriate options in the answer area.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:

                                  Explanation


                                  NEW QUESTION # 44
                                  ......

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